Formaldehyde and phenol are polymerised to resultant product, Formaldehyde ...

Formaldehyde and phenol are polymerised to resultant product that was known as Answer: This is known as bakelite.

What is switch and expansion joint, Q. What is Switch and Expansion Joint? ...

Q. What is Switch and Expansion Joint? Switch Expansion, Joint (SEJ) is an expansion joint installed at each end of LWR/CWR to permit expansion/contraction of the adjoining bre

Design of culverts,

Brick, what is fist class brick?

what is fist class brick?

What do you mean by laying of apron in design of bridge, Q. What do you mea...

Q. What do you mean by Laying of apron in design of bridge? Width of apron laid on river bed should be 1.5 D1 where D 1 is estimated scour depth in metres below river bed. Thi

Digit of cells for concrete box girder bridges, Question How does an engine...

Question How does an engineer determine digit of cells for concrete box girder bridges ? Answer If depth of a box girder bridge exceeds 1/6 or 1/5 of bridge width, then it is o

Utilisation of buoyancy effect, Q. Utilisation of Buoyancy Effect? Subm...

Q. Utilisation of Buoyancy Effect? Submerged part of the substructure will be subjected to buoyancy effect. The uplift pressure from the ground water can be utilised by constru

Compute interior or intersection angle, Compute Interior or Intersection An...

Compute Interior or Intersection Angle for the following circular curve:   Answer- I = 180° - 60° - 60°= 60

Explain about catch sidings, Q. Explain about Catch Sidings? Normally a...

Q. Explain about Catch Sidings? Normally all catch sidings except those which are sanded shall be kept alive. On sanded catch siding, the rails shall be kept clear of sand for

Lamies theorem, proof

proof